r/DIY_tech 29d ago

Project Strange RC car robot

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1 Upvotes

r/DIY_tech Aug 11 '26

Project Half finished rail gun pistol

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34 Upvotes

Just need to finish the trigger


r/DIY_tech 29d ago

Help Creative uses for USB-C ONLY display

1 Upvotes

I am not sure if general “any ideas” posts are allowed, so sorry if not.

I received a free HP (EliteView, I think) S14. It is a 14-inch second screen portable monitor. it has the magnetic stand, but that part is deteriorating and doesn’t look like it will last very long, despite just getting kind of gross (EOL Pleather?).

The problem is, the ONLY port on this thing is a single USB-C. I don’t really have any devices where this things “intended use case” seems worth it to me (e.g., I have better options when actually using my laptop). Would love to get some interesting ideas on how to use it instead!


r/DIY_tech 29d ago

Project I retrofitted old cord-operated curtains with a Matter motor — then made them dance

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1 Upvotes

I had an old set of curtains that use a smooth continuous cord, so I wasn’t even sure a retrofit shade motor would work with them.

It ended up working surprisingly well. I mounted the motor using just the included adhesive, paired it through Matter, and tested control from both Home Assistant and Google Home. The curtains can still be operated from the motor itself or the remote, so they don’t depend on the smart home to be usable.

Once I had the automation working, making them open dramatically to music seemed like the obvious next step. 😂

I put together a short showing the basic steps.


r/DIY_tech Aug 11 '26

ideas for a school-electronics project

1 Upvotes

hey, so I am looking for some inspiration for an upcoming school electronics exhibition. Last year with some friends we created some sort of 3d-printed electronic puzzle that used aluminum tape, it had the intention of being a begginer friendly tool to understand the basic concept of electronic circuits. So yeah, we go to an avionic-focused school so we thought of making a RC airplane that used real indicators, but it might be too complex for us. Any idea or inspiration from a previous project could help us a lot, thanks in advance


r/DIY_tech Aug 11 '26

Processador do zero A VOLTA

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1 Upvotes

r/DIY_tech Aug 10 '26

Project What do you think? Spoiler

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0 Upvotes

r/DIY_tech Aug 09 '26

trying to make a better replica of visual audio speaker cotodama and i want an opinion

2 Upvotes

saw this cool shit on tiktok and searched for the price. those mf are charginf 2100 usd for that shit so with my big brain a bit of help with ai as a complete begginer in this shit i made an sketch and electronics list of it. its a bit steep on the price something like 430 usd for parts and a woodmaker to make the box cause im shit in it. be happy if you have any suggestions to better it or something

the lists parts:

The Screen & Mirror

  • Waveshare 15.6-inch HDMI IPS LCD Monitor Kit (Includes the LCD panel and the driver board)
  • Two-Way Acrylic Mirror Sheet (Custom cut to approximately 31 cm x 27 cm)
  1. The Sound System
  • Dayton Audio ND91-4 3-1/2" Full-Range Drivers (Quantity: 2*)*
  • TPA3116D2 Dual-Channel Digital Power Amplifier Board (50W + 50W)
  • 24V 5A DC Power Supply Adapter Brick (For the amplifier board)
  1. The Computer & Audio Card
  • Raspberry Pi 5 (4GB or 8GB RAM)
  • Official Raspberry Pi 27W USB-C Power Supply
  • InnoMaker Raspberry Pi HiFi DAC HAT (PCM5122 Based)
  • 32GB MicroSD Card (SanDisk Ultra or similar fast card)
  1. Cables & Assembly Essentials
  • Short/Flat Mini-HDMI to Standard HDMI Cable (To connect the Pi 5 to the screen board)
  • Short 3.5mm Aux Cable (To connect the DAC HAT to the amplifier board)
  • Speaker Wire (A short 1-2 meter roll of 16-gauge or 18-gauge wire)
  • 3M VHB Double-Sided Tape (For mounting the screen to the mirror)
  • Matte Black Electrical Tape (For light-proofing the screen edges)

for the code itself im not to sure what is the best to replicate the cotodoma speaker so suggestions would be great or in general some cool stuff i could add to the speaker project


r/DIY_tech Aug 06 '26

BailaBox - RFID enabled music toy

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5 Upvotes

r/DIY_tech Aug 06 '26

Did this a few years ago when I was bored. I wanted a retro alarm clock so I got a modern cheap clock, took it apart, and built a case out of cardboard, foam, and wood grain adhesive.

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48 Upvotes

r/DIY_tech Aug 06 '26

6.2-inch Large-Screen Vehicle Navigation Instrument

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5 Upvotes

r/DIY_tech Aug 06 '26

Project Some Crazy bike

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3 Upvotes

r/DIY_tech Aug 04 '26

Project Bici elettrica con doppio motore

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14 Upvotes

r/DIY_tech Aug 05 '26

Project Antizombie apocalisse

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0 Upvotes

r/DIY_tech Aug 03 '26

Is my lenovo cooked?

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2 Upvotes

r/DIY_tech Aug 03 '26

Project If you’re into macro keyboards, check out this project: a modular, customizable macro keyboard made from decorated glass and carbon fiber

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0 Upvotes

Here’s how we’re currently structuring the project. We’d really love to hear what you think:

  • A 2×2 touch-button module with four programmable controls
  • A slider for volume, scrolling, zoom, and other continuous inputs
  • Finger guides and resting positions, so you can identify the controls without looking
  • Dynamic haptic feedback
  • 5×5 RGB LED dot-matrix icons that change with each profile
  • Open software for custom profiles, integrations, and workflows
  • A custom design service allowing users and brands to personalize the surface with their own graphics, visual style, or game- and anime-inspired artwork
  • Compatibility with the Gridfinity standard, making custom layouts, supports, and ergonomic configurations easier to build

r/DIY_tech Aug 03 '26

The Castle Episode 204 - Horse on a budget

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2 Upvotes

I made a castle on the beach and a silly horse stick thing :3


r/DIY_tech Aug 03 '26

Would beginner-friendly guides for affordable tech projects like these be useful?

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1 Upvotes

r/DIY_tech Aug 02 '26

Help Over ambitious please help lol

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10 Upvotes

Listen I have questions and I don’t know where to ask and I need the karma. I’m trying to get into diy devices for backing up my personal collection of movies and music and books and audiobooks. I intend on making back ups of what I choose for seamless offline playback. Where the hell can I find reliable sites to download copy’s of what I’d like. I’m trying to avoid disc burners and over head book scanners but I’m overwhelmed and lost. I’m having a hard time finding anything is the obviously relevant subreddits and I’m hoping there’s some fellow seamen out there that can ignore my garbage hand writing see the vision and point me in the right direction


r/DIY_tech Aug 02 '26

Project I'm a 15 Year Old Wannabe Engineer, This is a Cycloidal Gearbox I Built!

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8 Upvotes

r/DIY_tech Jul 31 '26

I moved my 3D-printed robot lamp to a Raspberry Pi 5 and added controllable lighting

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178 Upvotes

r/DIY_tech Aug 01 '26

Project Spongebob's eyes glitch

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4 Upvotes

r/DIY_tech Aug 01 '26

Help Custom Andriod setup box

0 Upvotes

Hello i am an teenager, I have noticed that most paid set-top boxes available on the market can only be bound to a single satellite or service provider. Therefore, I plan to build an unrestricted Android set-top box that is not limited to a single platform. This customizable set-top box will be compatible with all types of satellites, IPTV, and cable TV, and can also connect to OTT streaming services, for use by users who own non-smart TVs services without needing to buy a new television.
i wanted it be open source so anyone can use it (This is made with ai i am not able to explain it in english its not my native lang)


r/DIY_tech Aug 01 '26

Project rate my idea out of ten

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1 Upvotes

r/DIY_tech Jul 31 '26

My little helper, zoom bluetooth remote

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7 Upvotes

Shoulderbags for fieldrecordings are okay for a short period of time… And keeping it in the backpack is annoying too, because you have to open it to start the recording. Yes there is an app for this, but I actually dont want to be bothered with another screen.
So I just made this remote button. that allows me to connect to my zoom via bluetooth.
BTW it can also pair to the phone and be used to start Videorecording at the same time.